/Engine/Source/Runtime/Experimental/Chaos/Public/Chaos/Math/Krylov.h
namespace Chaos { template<typename T, typename TV, typename Func1, typename Func2, typename Func3, typename Func4, typename Func5> void Chaos::LanczosCG ( Func1 multiplyA, Func2 dotProduct, Func3 AXPY, Func4 scale, Func5 set, [TArray](API\Runtime\Core\Containers\TArray)< TV > & x, const [TArray](API\Runtime\Core\Containers\TArray)< TV > & b, const int max_it, const T res, bool check_residual ) }